From Microservices Back to Monoliths: The 2025 Backend Architecture Rethink

Java 24 brings Scoped Values for cleaner virtual-thread handling, while HTMX gains traction in Spring Boot as a JavaScript-free alternative to React. More importantly, the industry is reconsidering microservices: teams are discovering that the operational complexity only pays off at scale most organizations never reach, prompting a practical return to modular monoliths.